protected virtual void Dispose(bool disposing)
{
if (disposing)
{
if (shadowMap != null)
{
shadowMap.Dispose();
shadowMap = null;
}
}
}
/// <summary>
/// Called when this scene object is removed from the scene.
/// </summary>
void IGraphicsObject.OnRemoved(DrawingContext context)
{
if (this.context == null || context != this.context)
{
throw new InvalidOperationException();
}
if (shadowMap != null)
{
context.Passes.Remove(shadowMap);
shadowMap.Dispose();
shadowMap = null;
}
this.context = null;
OnRemoved(context);
}
/// <summary>
/// Called when this scene object is added to the scene.
/// </summary>
void IGraphicsObject.OnAdded(DrawingContext context)
{
if (this.context != null)
{
throw new InvalidOperationException();
}
if (castShadow)
{
if (shadowMap == null)
{
shadowMap = new ShadowMap(GraphicsDevice);
}
context.Passes.Insert(0, shadowMap);
}
this.context = context;
OnAdded(context);
}